BB30 to Shimano Bottom Bracket with ABEC-3 Bearings
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$13299
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This is meant for bikes that use a 24mm spindle crank (Shimano Hollowtech II) in a BB30 frame without the use of adaptors. Grade 10 chromium steel balls, within 10/1,000,000" round, are used in chromium alloy steel races to give you noiseless, smooth, long bearing life. Dual lip groove seals made of silicone help keep water and other contaminants out.